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Other Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Other Liabilities Disclosure [Abstract]    
Workers’ compensation and other claims $ 81.3 $ 89.4
Post-employment benefits 7.2 7.6
Asset retirement and remediation obligations 18.6 19.1
Acquisition-related obligations 1.5 0.0
Noncurrent tax liabilities 15.3 9.2
Other 59.2 43.4
Other liabilities $ 183.1 $ 168.7